Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
JJG 1133-2017 | English | 439 |
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Days<=4
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High-Low Concentration Methane Transmitters for Coal Mine
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JJG 1133-2017
| Valid |
JJG 1133-2017
|